6.5.0 • Published 1 month ago
@turf/polygon-tangents v6.5.0
@turf/polygon-tangents
polygonTangents
Finds the tangents of a (Multi)Polygon from a Point.
Parameters
pt
Coord to calculate the tangent points frompolygon
Feature<(Polygon | MultiPolygon)> to get tangents from
Examples
var polygon = turf.polygon([[[11, 0], [22, 4], [31, 0], [31, 11], [21, 15], [11, 11], [11, 0]]]);
var point = turf.point([61, 5]);
var tangents = turf.polygonTangents(point, polygon)
//addToMap
var addToMap = [tangents, point, polygon];
Returns FeatureCollection<Point> Feature Collection containing the two tangent points
This module is part of the Turfjs project, an open source module collection dedicated to geographic algorithms. It is maintained in the Turfjs/turf repository, where you can create PRs and issues.
Installation
Install this module individually:
$ npm install @turf/polygon-tangents
Or install the Turf module that includes it as a function:
$ npm install @turf/turf
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